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人
區
時 The passage implies that
(AA) all bears except polar bears hibernate
(B) polar bears Skin is not actually white
(c) polar bears are the only animalin the Aretic
(D) polar bears often fall brey-to seals and whales
緞
閱讀測驗 3
Some animals have organs in their bodies that produce light. In fact, the light 1s
made by oXxygen reacting with light-producing chemicals inside special organs in the
animal.。 When it is dark, they flash their lights on and off to signal to others of their
species, to Iure prey toward them, or to escape from predators.
Sorme fish are found to produce light in the blackness ofthe sea. When night falls
over 也e Red Sea, tiny flashlight fish rise to the surface for food, each with a palr Qi
zheadlamps,”one beneath each eye. With the light produced by bacteria living there,
和hey communicate_ with other flashlight fish to avoid getting too close to each other,
so 了at the fish_ may spread out evenly to get enough food. And ifaflashlight fish 1S
他reatened by a predator, it swWims away in a Zigzag path, flashing its light on and 0o任
very quickly to confuse the animal pursuing 1t.
Gertain land animals can also produce light。 Fireflies, small beetles that live in
After darkness falls in
many Warmer parts Of the world, use light to attract a mate.
parts Of North America, female_fireflies gather on the ground. The males fly
some
As there are anumber 0
overhead, flashing Jight from the undersides oftheir bodies.
species of firefly, 了e males ofeach kind flash their own particular signal. Recognlzing
人ae flashing code of her own species, a female signals back to the male, and he lands
beside her.
griy, Some
On Jand as in fhe sea, living lights can be deceiving. When they are hun
ther species to them. They flash a false responSe
en they land. Similarly, Start 1sh and
en Off enemles.
female fireflies lure the males 0f o
When 了hese males signal Overhead, but eat them Wh
sea urchins produce Tapid f]ashes oflight along their afms tQ fright
Whieh ofthe following is the best title_ for the article?
(A) Darkness and Light
(BLife onLand and in 人he Sea
